Synonyms of stupendous

stupendous

adjective

stu̇-ˈpen-dəs 

as in wonderful

causing wonder or astonishment

the stupendous engineering feats achieved by the ancient Romans

Synonyms & Similar Words

• wonderful
• amazing
• astonishing
• miraculous
• marvelous
• incredible
• surprising
• stunning
• sublime
• staggering
• extraordinary
• awesome
• impressive
• remarkable
• wondrous
• spectacular
• astounding
• prodigious
• fabulous
• portentous
• awful
• unbelievable
• outstanding
• unusual
• fascinating
• interesting
• unimaginable
• inconceivable
• phenomenal
• incomprehensible
• unique
• exciting
• eye-opening
• unthinkable
• striking
• rare
• enchanting
• uncommon
• noticeable
• sensational
• notable
• charming
• attractive
• conspicuous
• unwonted
• attracting
• singular
• mind-blowing
• mind-boggling
• alluring
• entertaining
• enlightening
• smashing
• mind-bending
• enthralling
• beguiling
• bewitching
• enlivening
• invigorating
• captivating
• stimulating
• energizing
• animating
• galvanizing

Antonyms & Near Antonyms

• unremarkable
• unimpressive
• tedious
• monotonous
• boring
• typical
• usual
• ordinary
• uninteresting
• uninspiring
• normal
• dull
• wearisome
• weary
• common
• tiring
• customary
• mundane
• unexceptional
• uninspired
• wearying
• exhausting
• draining
• fatiguing
• debilitating
• discouraging
• wearing
• jading
• enervating
• demoralizing
• disheartening
• dispiriting
• enfeebling

Synonym Chooser

How is the word stupendous different from other adjectives like it?

Some common synonyms of stupendous are monstrous, prodigious, and tremendous. While all these words mean "extremely impressive," stupendous implies a power to stun or astound, usually because of size, numbers, complexity, or greatness beyond description.

a stupendous volcanic eruption

In what contexts can monstrous take the place of stupendous?

The words monstrous and stupendous are synonyms, but do differ in nuance. Specifically, monstrous implies a departure from the normal (as in size, form, or character) and often carries suggestions of deformity, ugliness, or fabulousness.

the monstrous waste of the project

When is prodigious a more appropriate choice than stupendous?

Although the words prodigious and stupendous have much in common, prodigious suggests a marvelousness exceeding belief, usually in something felt as going far beyond a previous maximum (as of goodness, greatness, intensity, or size).

made a prodigious effort and rolled the stone aside

Where would tremendous be a reasonable alternative to stupendous?

While in some cases nearly identical to stupendous, tremendous may imply a power to terrify or inspire awe.

the tremendous roar of the cataract

Example Sentences

Recent Examples of stupendous

Designed to survey a large portion of the entire sky over and over, more deeply and in a speedier fashion than ever before, its science goals are stupendous. —Big Think, 4 Nov. 2025

But Pullman’s abilities as a storyteller are stupendous, and on full display. —Lev Grossman, The Atlantic, 23 Oct. 2025

After a stupendous table reading just before the shoot, in which the actor blew everyone, including co-stars Woody Harrelson and Demi Moore, away, Lansing was summoned to see the star. —Stephen Galloway, HollywoodReporter, 16 Sep. 2025

The Oracle guidance on the next several years of stupendous AI data center growth is worthy of all the analysts’ superlatives and surely pushes out the day of reckoning that will come with peak capex demand. —Michael Santoli, CNBC, 10 Sep. 2025